html {
  font-size: 16px; /* Set the root font size */
}
body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f8f8f8;
  color: #333;
  line-height: 1.6;
  
}

/* Navbar */
.navbar {
  background: #33ccff;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}
.nav-container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  color: #fff;
  font-weight: bold;
  text-decoration: none;
  font-size: 1.3rem;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s;
}
.nav-links a:hover {
  color: #ff9900;
}

/* Hero */
.hero {
  text-align: center;
  background: #33cccc;
  color: white;
  padding: 1rem 1rem;
  line-height: 1.2;
}

/* Book Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  width: 90%;
  max-width: 1200px;
  margin: 2rem auto;
}
.book-card {
  background: white;
  padding: 1rem;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: transform 0.2s;
}
.book-card:hover {
  transform: translateY(-5px);
}
.book-card img {
  width: 100%;
  border-radius: 8px;
}
.cta-link {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.6rem 1rem;
  background: #ff9900;
  color: white;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}
.cta-link:hover {
  background: #e68a00;
}

/* Book Detail Page */

.book-detail {
  background: white;
  margin: 2rem auto;
  padding: 2rem;
  border-radius: 10px;
  max-width: 900px;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;

}
.book-detail img {
  max-width: 250px;
  border-radius: 8px;
}
.book-description {
  flex: 1;
 
}
.buy-now {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.8rem 1.4rem;
  background: #ff9900;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
}
.buy-now img {
  height: 20px;
  vertical-align: middle;
  margin-right: 8px;
}
.buy-now:hover {
  background: #e68a00;
}
.back-link {
  display: inline-block;
  margin: 2rem;
  text-decoration: none;
  font-weight: bold;
  color: #333;
}

/* Footer */
footer {
  background: #33ccff;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 3rem;
}